I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Can you tell a 3D object that has just two surfaces?

What work can one never finish?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Why blonde cannot dial 911?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

I taste better than I can smell. Who am I?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

You need to arrange three 7 and mathematical symbols to form number 1?